24/7 Emergency Service · Commercial & Residential · Call (732) 529-4719
J.D. ROSENBAUM REFRIGERATION Heating · Cooling · Refrigeration
(732) 529-4719
24/7 Emergency Service Available

Commercial Refrigeration
& HVAC across New Jersey.

Three generations serving restaurants, hotels, warehouses, and homeowners across Hunterdon, Somerset, Middlesex, and Morris counties — since 1955. Walk-in coolers to whole-home HVAC. Licensed, bonded, insured.

(732) 529-4719 Request Free Quote
70+
Years in business
3rd
Generation owned
4.7★
Google rating
J.D. Rosenbaum Refrigeration & Air Conditioning service van Family-owned & operated since 1955
Free Quote

Tell us what's wrong.
We'll call you back today.

Most callbacks within 30 minutes during business hours.

No spam. We'll only contact you about your request.
NJ HVAC/R Lic. #19HC00227400
EPA Certified
★★★★★
4.7 on Google
Family Owned Since 1955
24/7 Emergency Service
Commercial Customers

Trusted by businesses across New Jersey

Wendy's Restaurant
Dunkin' Restaurant
Just Subs Restaurant
Alfie's Restaurant
Bernardsville Inn Hotel
Somerset Hills Hotel Hotel
Services

Sales · Service · Installs

From a national-chain walk-in cooler at 2am to a homeowner's furnace tune-up — one shop covers it all. Commercial-first. Family-owned since 1955.

Walk-in cooler with evaporator unit at a commercial food storage facility

Commercial Refrigeration

Walk-in coolers, freezers, ice machines, prep tables, refrigerated display cases. We service restaurants, hotels, warehouses, and food processors across NJ.

Restaurants Hotels Warehouses Factories
Explore commercial →
Commercial rooftop HVAC unit with new spiral ductwork

Air Conditioning

Repair, install, replace. Central air, mini-splits, rooftop units, high-efficiency systems. Same-day service most weeks.

AC services →
Multi-zone boiler with Taco circulators and copper near-boiler piping

Heating & Boilers

Furnaces, boilers, heat pumps. Annual maintenance plans keep things running before they break down.

Heating services →
Large insulated cold-room panel build in an industrial warehouse

Industrial Systems

Process cooling, large-scale refrigeration, and industrial HVAC. We handle the systems other companies turn down.

Industrial work →
Rosenbaum technicians installing commercial ice machines

Emergency Service

Compressor down at 2am? Heat out on the coldest night? We answer the phone — and dispatch fast. Additional after-hours rates apply.

Get help now →
Close-up of a walk-in cooler evaporator coil unit

Maintenance Plans

Twice-yearly tune-ups, priority scheduling, discounted repairs. The most expensive HVAC failures are preventable.

View plans →
Recent Work

Real jobs. Real crews.

A look at recent commercial, industrial, and refrigeration work across New Jersey — from walk-in coolers and ice machines to full industrial cold-room builds.

Commercial rooftop HVAC unit with new spiral ductwork against a glass atrium
Rooftop HVAC & custom ductwork
Rosenbaum crew installing commercial ice machines
Commercial ice machine install
Stocked walk-in cooler with evaporator unit
Walk-in cooler service
Industrial cold-room panel build with scissor lift
Industrial cold-room build
Two finished stainless steel commercial ice machine units
Dual ice machine units
New walk-in cooler evaporator install
Walk-in evaporator install
Technician on a lift performing overhead industrial work
Overhead industrial work
Bright commercial atrium interior kept climate-controlled
Commercial climate control
Large insulated industrial refrigeration piping runs
Industrial refrigeration piping
Multi-zone boiler with Taco circulators and copper near-boiler piping
Multi-zone boiler install
Technician charging residential AC condensers with refrigerant gauges
Residential AC service
Technician fabricating sheet metal ductwork on site
Custom ductwork fabrication
Why Rosenbaum

70 years of getting it right.

Since 1955, the same family. Three generations of techs who answer the phone and stand behind their work.

01

Commercial-first, residential-capable

70% of our work is commercial — restaurants, hotels, warehouses, factories. The standards we hold for them is the same standard your home gets.

02

Up-front pricing, no surprises

You get the number before we start the work. No "while we're at it" charges added at the end.

03

Real techs on our payroll

Every tech on our truck is on our payroll, fully trained, and accountable for the work. No subcontractors handing your problem to a stranger.

04

One call covers it all

Walk-in cooler at the restaurant, ice machine at the hotel, central air at the house — same number, same team, same standard.

J.D. Rosenbaum Refrigeration & Air Conditioning crew on a job in branded penguin hoodies
70+
Years in NJ
Our crew on the job — sales, service & installs
Service Area

Covering most of Central & Northern New Jersey

Headquartered in Milford. Crews dispatch daily across Central and Northern NJ. If your town isn't on this list, call us — we probably still service it.

Hunterdon County
Somerset County
Middlesex County
Morris County
Bridgewater
Somerville
Flemington
Clinton
Warren
Basking Ridge
Milford HQ New Brunswick Morristown Bridgewater Clinton Somerville Flemington
★ 4.7 on Google · 14 Reviews

Real reviews from real customers.

Decades of word-of-mouth doesn't happen by accident.

★★★★★

"Our walk-in cooler quit on a Friday night with a full prep for Saturday brunch. Josh had a tech on-site in 90 minutes and the unit was running before close. They saved us thousands in food cost."

MR
Maria R.
Restaurant owner, Bridgewater
★★★★★

"Replaced our 22-year-old furnace and central AC. Quote was clear, the install crew was clean and respectful, and the price came in $4k under what a 'big name' competitor wanted. No regrets."

DK
David K.
Homeowner, Morristown
★★★★★

"We've used them for our two convenience stores for 8 years. Coolers, ice machines, AC — they handle all of it. Honest people, fair pricing, you can actually reach them on the phone."

JP
Jay P.
Retail operator, Somerset County

Need help today?

We answer the phone live during business hours and run a real on-call rotation after hours. Two numbers. No bots. No overseas call centers.

(732) 529-4719 or request a callback online